CN102892763B

CN102892763B - The purifying of posaconazole and posaconazole intermediate

Info

Publication number: CN102892763B
Application number: CN201180024633.0A
Authority: CN
Inventors: M·朗奈尔; D·德苏扎; A·C·派斯; S·布塔
Original assignee: Sandoz AG
Current assignee: Sandoz AG
Priority date: 2010-05-19
Filing date: 2011-05-18
Publication date: 2016-03-09
Anticipated expiration: 2031-05-18
Also published as: AU2011254658B2; CA2798010C; JP2013527183A; CA2798010A1; JP5955837B2; US20130211086A1; AU2011254658A1; WO2011144657A1; CN102892763A; MX2012013331A; EP2571869B1; US9206146B2; RU2585683C2; EP2571869A1; RU2012154809A; BR112012029228A2; WO2011144657A8

Abstract

The present invention relates to the method for hydrochloric acid (HCl) salt of a kind of preparation formula (I) compound, wherein Y ₁and Y ₂be F or Cl, preferred F independently, described formula (I) compound comprises cis-isomeride and trans-isomer(ide), and wherein said method comprises (1) providing package and is contained in formula (I) compound in the first suitable solvent; (2) formula (I) compound in the first suitable solvent is contained in obtain the HCl salt of formula (I) compound by the HCl pack processing be contained in the second suitable solvent.

Description

The purifying of posaconazole and posaconazole intermediate

The present invention relates to the purifying of chipal compounds, especially can be used for preparing anti-mycotic agent as intermediate, the purifying of the chipal compounds of preferred posaconazole.

Background technology

Posaconazole (CAS registration number 171228-49-2; CAS title: 2,5-dehydration-1,3,4-tri-deoxidation-2-C-(2,4 difluorobenzene base)-4-[[4-[4-[1-[(1S, 2S)-1-ethyl-2-hydroxypropyl]-1,5-dihydro-5-oxo-4H-1,2,4-triazole-4-yl] phenyl]-1-piperazinyl] phenoxy group] methyl]-1-(1H-1,2,4-triazol-1-yl)-D-Soviet Union-pentitol) be by the triazole antifungal drug of following representation:

Posaconazole is used for immunocompromised patient and/or suffers from other anti-mycotic agents as amphotericin B (amphothericinB), such as prevent and/or treat by Candida (Candida) in the patient of fluconazole or the refractory disease of itraconazole and/or patient that these anti-mycotic agents are not tolerated, mucor (Mucor), Eurotium (Aspergillus), the intrusion type fungi infestation that Fusarium (Fusarium) or ball spore Pseudomonas (Coccidioides) cause.

One of important intermediate preparing posaconazole is formula (II) compound:

Wherein residue Y ₁and Y ₂be F.In the possible synthetic method for formula (II) compound, generate tetravalence stereocenter by iodo-cyclisation, obtain the tetrahydrofuran (THF) needed with mixture of diastereomers.In the mixture, cis-isomeride is 85:15 to 95:5 relative to the mol ratio (cis: trans) of trans-isomer(ide), is usually about 9:1.But only cis-isomeride wishes to be converted into posaconazole.Therefore, the enrichment of the cis-isomeride of wishing or its acceptable acid addition salts is required.

According to prior art, in a first step, the mixture of diastereomers of contained (II) cis-isomeride and formula (III) trans-isomer(ide) is converted into the mixture of diastereomers of the corresponding tosylate of compound (II) and (III) in a solvent, it shows the cis identical with starting mixt: trans ratio, i.e. the ratio of usual 9:1.The mixture of a large amount of normal heptanes and ethyl acetate must be used by tedious gradient column chromatography on silica gel and from then on isolate cis-isomeride in mixture of diastereomers in second step.Thus, can refer to US5,403,937, EP0736030A1 and WO95/17407.But common column chromatography and above-mentioned column chromatography methods are especially unsuitable for technical grade method.

Therefore, the object of the invention is for providing a kind of novel method be separated according to the cis-isomeride of formula (II).

Find this type of to simplify and favourable novel method, found to use the known mixture of diastereomers of the tosylate of compound (II) and (III) not to be probably the starting point expected.

Therefore, another object of the present invention is the new intermediate providing one to contain the appropriate derivatives of formula (II) and (III) compound.

If shockingly find to prepare specific salts based on the mixture of diastereomers containing formula (II) and (III) compound, then the above-mentioned separation of cis-isomeride can significantly simplify.Find that this specific salts is the HCl salt of formula (II) and (III) compound.

Summary of the invention

Therefore, the present invention relates to the method for hydrochloric acid (HCl) salt of a kind of preparation formula (I) compound:

Wherein Y ₁and Y ₂be F or Cl, preferred F independently, contained (II) cis-isomeride of described formula (I) compound and formula (III) trans-isomer(ide):

Said method comprising the steps of:

(1) providing package is contained in formula (I) compound in the first suitable solvent;

(2) formula (I) compound in the first suitable solvent is contained in obtain the HCl salt of formula (I) compound by the HCl pack processing be contained in the second suitable solvent.

In addition, the present invention relates to the purposes of the method in the mixture of diastereomers of purifying formula (II) cis-isomeride and formula (III) trans-isomer(ide) with regard to cis-isomeride.

The invention further relates to preferred crystallization hydrochloric acid (HCl) salt of a kind of formula (I) compound:

The present invention also relates to further and is preparing anti-mycotic agent, the purposes in preferred posaconazole containing at least 99% according to the described preferred crystallization HCl salt of the HCl salt of formula (II) cis-isomeride.

List of drawings

Fig. 1 illustrates the x-ray diffraction pattern (XRD) of formula (I) compound obtained according to the embodiment of the present invention 6.Cis: trans ratio, i.e. wherein Y ₁=Y ₂formula (II) compound of=F: the ratio of formula (III) compound is 99.2:0.8.In FIG, present on x-axle with the position that 2 θ values (degree) represent, present on y-axle to count the intensity that/second, (linear scale) was measured.

Detailed Description Of The Invention

According to the inventive method, hydrochloric acid (HCl) salt of preparation formula (I) compound:

Wherein Y ₁and Y ₂be F or Cl, preferred F independently, and contained (II) cis-isomeride of wherein said formula (I) compound and formula (III) trans-isomer(ide):

The method comprising the steps of in the present invention (1) and (2):

Usually, can from any mixture of contained (II) and (III) compound described HCl salt of preparation in step (2), to compound (II) relative to the mol ratio of compound (III) without particular restriction.According to the preferred embodiment of the invention, represent that formula (I) compound of described mixture comprises 80-95%, formula (II) cis-isomeride of preferred 85-95%, and formula (III) trans-isomer(ide) of 20-5%, preferred 15-5%.Therefore, formula (I) compound comprises formula (II) cis-isomeride of 86-94% or 87-93% or 88-92% or 89-91% usually, and the formula of 14-6% or 13-7% or 12-8% or 11-9% (III) trans-isomer(ide).Based on this preferred mixture, carry out being separated according to the preferred cis-isomeride of the present invention.

Step (1)

About formula (I) compound provided in step (1), there is not particular restriction in its preparation method.Substantially, formula (I) compound be dissolved in solvent can be provided, wherein when described solvent is not the first suitable solvent according to the inventive method step (1), described solvent can convert suitably before step (1).According to the preferred embodiment of the invention, provide formula (I) compound by the method comprising step described below (i.1)-(vi.2).According to another embodiment of the invention, formula (I) compound is provided by the method for another step (vii) also comprising at least part of crystallization formula (I) compound except step (i.1)-(vi.2) with the compound of at least part of crystallization.Then by the compound of thus obtained at least part of crystallization and the first suitable solvent blending.

Step (i.1)-(vi.2)

Therefore, according to preferred embodiment, the present invention relates to method described above, wherein in (1), formula (I) compound is provided by the method comprised the steps:

(i.1) formula (A) compound is made:

Wherein L is leavings group, preferred halogen, more preferably Cl

In a solvent with comprise nucleophilic residues R _ar _br _csi-CH ₂nucleophilic compound reaction, wherein R _a, R _band R _cit is identical or different and be selected from alkyl and the aromatic yl residue of optional suitable replacement,

To obtain containing the reaction mixture of following formula beta-hydroxy silane as intermediate:

Described reaction preferably at-50 ° of C to+20 ° of C, carry out at the temperature of more preferably-30 ° of C to+10 ° of C, more preferably-15 ° of C to+5 ° of C;

(i.2) with promoting that reaction mixture that the agent treated of eliminative reaction obtains is to obtain the reaction mixture containing formula (B) compound, does not preferably convert solvent:

Wherein process and carry out and the preferably acid of wherein said reagent at the temperature of-20 ° of C to+70 ° of C, preferred mineral acid, more preferably sulfuric acid, if wherein use sulfuric acid, then the temperature that described process is carried out is preferably 40-50 ° of C;

(ii) formula (B) compound and malonic ester R is made ₁oOC-CH ₂-COOR ₂reaction is to obtain formula (C) compound:

Wherein R ₁and R ₂be the alkyl with 1-5 carbon atom of optional suitable replacement independently, preferred ethyl,

Wherein, after (ii) and before (iii), formula (C) compound, optionally through at suitable solvent, extracts in preferred hexanaphthene and is separated;

(iii) reduction-type (C) compound is to obtain formula (D) compound:

Reductive agent is preferably LiBH ₄, relative to formula (C) compound, LiBH ₄use with the amount of 2 molar equivalents at the most, described reduction is preferably carried out in suitable solvent (preferably comprising water), wherein solvent is preferably selected from water, the mixture of alcohol and water and at least one alcohol, more preferably water is selected from, methyl alcohol, ethanol, the mixture of Virahol and water and these alcohol of at least one, more preferably water is selected from, ethanol, the mixture of Virahol and water and these alcohol of at least one, more preferably water is selected from, the mixture of Virahol and water and Virahol, solvent most preferably is the mixture of water and Virahol, wherein solvent preferably comprises 1-20 volume %, more preferably the water of 5-15 volume %,

(iv) use isobutyric anhydride acidylate formula (D) compound to obtain formula (E) compound:

Described acidylate is preferably in suitable enzymes, and at suitable solvent under preferred NovoSP435 enzyme exists, preferred acetonitrile or toluene, more preferably carry out in toluene,

Wherein after (iv) and before (v), formula (E) compound is crystallization at least partly preferably;

V () makes formula (E) compound and is selected from Cl ₂, Br ₂and I ₂halogen Hal ₂, preferred I ₂react the formula that obtains (F) compound in the presence of a base in a solvent:

Wherein preferred 80-95%, more preferably compound (F) molecule of 85-95% exists with formula (Fa) cis-isomeride:

And preferably 20-5%, more preferably compound (F) molecule of 15-5% exists with formula (Fb) trans-isomer(ide):

Wherein solvent is preferably ethyl acetate, and wherein alkali is preferably sodium bicarbonate, and the temperature of its Chinese style (E) compound reaction is preferably lower than 0 ° of C, more preferably no higher than-5 ° of C, even more preferably no higher than-10 ° of C;

(vi.1) preferably at+70 ° of C to+100 ° of C, more preferably+80 ° of C to+95 ° of C, at the temperature of more preferably+85 ° of C to+90 ° of C, preferably there is not DMPU (1, 3-dimethyl-3, 4, 5, 6-tetrahydrochysene-2 (1H)-pyrimidone) under, at solvent, the non-protonic solvent of preferred polarity is as DMF (N, dinethylformamide) and DMSO, more preferably in DMSO, heating-type (F) compound and 1, 2, 4-triazole an alkali metal salt, particular certain cancers, and with the alkali being applicable to promoting ester structure partly-hydrolysed as alkali metal hydroxide, alkali metal hydrocarbonate, alkaline carbonate, alkaline earth metal hydroxides, alkali metal bicarbonates and alkaline earth metal carbonate, the reaction mixture that preferred as alkali alkaline purification obtains, described alkali preferably adds with moisture and/or alcohol medium, wherein suitable alcohols is for individual containing 1-6, preferred 1-4, more preferably 1-3, the most preferably alcohol of 1 or 2 carbon atom, described alkali is even more preferably sodium hydroxide, preferably use with the aqueous solution, in presence of methyl alcohol,

To obtain formula (I) compound:

Wherein preferred 80-95%, more preferably the molecule of 85-95% exists with formula (II) cis-isomeride:

And preferably 20-5%, more preferably the molecule of 15-5% exists with formula (III) trans-isomer(ide):

(vi.2) by extracting separate type (I) compound from the reaction mixture obtained by (vi.1) in suitable solvent, solvent is preferably the water immiscibility solvent of polarity, more preferably ester is as ethyl acetate or isopropyl acetate, ether is as tetrahydrofuran (THF) or methyltetrahydrofuran, ketone is as methyl iso-butyl ketone (MIBK), halogenated solvent is as methylene dichloride, two or more mixture in toluene or these solvents, more preferably ester or ether, more preferably ether, even more preferably methyltetrahydrofuran.

Step (i.1)-(vi.2) is described in detail in detail

Step (i.1) and (i.2)

In the inventive method step (i.1), formula (A) compound comprises residue Y ₁and Y ₂.According to the present invention, Y ₁and Y ₂be F or Cl independently.Therefore, Y ₁can be F or Cl, and and Y ₁chemical property is uncorrelated, Y ₂can be F or Cl.Preferred Y ₁and Y ₂be F or Cl.More preferably Y ₁and Y ₂be F.

The term " leavings group L " used with regard to step of the present invention (i.1) refers to any chemical moieties L, and it is separated with the compound (A) with electron pair under the appropriate reaction conditions in key heterolytic fission.For this reason, compound used therefor of the present invention (A) can comprise the group L that any appropriate is left away.Be neutral after leavings group L preferable separation or anionic property structure division, more preferably anionic property structure division.Even more preferably L is halogen, such as Cl, Br, I.According to the even preferred embodiment of the present invention, L is Cl.

The nucleophilic compound reacted with compound (A) in step (i.1) comprises nucleophilic residues R _ar _br _csi-CH ₂.About the chemical property of this residue without particular restriction, as long as obtain following formula beta-hydroxy silane intermediate:

The term " intermediate " used in the context of the invention is often referred to and is contained in reaction mixture that step (i.1) obtains and is generated by step (i.1) reactant and the beta-hydroxy silane of reaction further in (i.2).Isolated beta-hydroxy silane the reaction mixture that can obtain from (i.1) do not got rid of in the term " intermediate " used in the context of the invention.

(i.1) nucleophilic compound used in can be and comprises nucleophilic residues R _ar _br _csi-CH ₂any appropriate compound, it causes the generation of above-mentioned beta-hydroxy silane intermediate directly or indirectly when reacting with compound (A).Be contained in the R in nucleophilic compound _a, R _band R _cidentical or different and be selected from alkyl and the aromatic yl residue of optional suitable replacement.The term " aromatic yl residue of optional suitable replacement " used in the context of the invention refers to have such as the aromatic yl residue of 6 or 12 carbon atoms at the most at the most.If this aromatic yl residue is the aromatic yl residue replaced, then carbonatoms refers to the carbonatoms of corresponding unsubstituting aromatic yl residue.The term " alkyl residue of optional suitable replacement " used in the context of the invention refers to have such as 1-20, the alkyl residue of a preferred 1-10 carbon atom.If this alkyl residue is the alkyl residue replaced, then carbonatoms refers to the carbonatoms of corresponding non-substituted alkyl residue.

According to the preferred embodiment of the invention, be contained in the R in nucleophilic compound _a, R _band R _cidentical or different and be selected from alkyl residue, more preferably there is the non substituted alkyl residue of 1-6 carbon atom, preferably there is the non substituted alkyl residue of 1-4 carbon atom as methyl, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-and the tertiary butyl, more preferably there is non substituted alkyl residue-methyl or ethyl, the wherein R of 1 or 2 carbon atom _a, R _band R _cespecially be methyl.

(i.1) nucleophilic compound used in is preferably Grignard reagent.What the term " Grignard reagent " used in the context of the invention referred to any appropriate comprises nucleophilic residues R _ar _br _csi-CH ₂nucleophilic organometallic reagent.Preferred nucleophilic compound is Grignard Compound R _ar _br _csi-CH ₂mgX, wherein X is suitable anionic property thing, and it is preferably selected from Cl, Br and I.More preferably Grignard Compound is compound R _ar _br _csi-CH ₂mgCl.

As the solvent used in (i.1), any solvent or solvent mixture are all possible, the solvent that preferred grignard reaction can carry out wherein or solvent mixture.Possible solvent is such as ether compound ether as is generally known and/or tetrahydrofuran (THF) (THF).But shockingly find the solvent of discussion with regard to Peterson alkylene in background technology in the context of the present invention, i.e. ether and THF, can be replaced by methyl tertiary butyl ether (MTBE).Compared to compound as ether and THF, the major advantage that this solvent provides is not for generate superoxide.Therefore, the use of MTBE is particularly suitable for the extremely important technical grade method of secure context.Therefore, according to particularly preferred embodiment, the solvent used in step (i.1) is MTBE.

Therefore, according to preferred embodiment, the present invention relates to a kind of method as defined above, is wherein compound (Aa) at (i.1) Chinese style (A) compound:

Itself and nucleophilic compound (H ₃c) ₃si-CH ₂mgCl reacts and obtains containing the reaction mixture of following formula beta-hydroxy silane as intermediate in MTBE is as solvent:

Particular restriction is there is not, as long as the reaction mixture obtained allows reaction in (i.2) about reacting the temperature of carrying out in (i.1).(i.1) in, reaction is preferably at-50 ° of C to+20 ° of C, more preferably-40 ° of C to+15 ° of C, more preferably-30 ° of C to+10 ° of C, more preferably-20 ° of C to+10 ° of C, more preferably the temperature of-15 ° of C to+5 ° of C is as carried out at the temperature of-15 ° of C to-10 ° of C or-10 ° of C to-5 ° of C or-5 ° C to 0 ° C or 0 ° C to+5 ° of C.

About the universal of Peterson alkylene, teach literature two-stage process, wherein carries out solvent conversion after carrying out grignard reaction.Can refer to TetrahedronLetters32 (1991), 7545-7548 page.Without the need to solvent conversion after shockingly finding step of the present invention (i.1), and the intermediate obtained by (i.1) can with promoting that the suitable agent of eliminative reaction is with the method process significantly simplified.

Therefore, according to the present invention, the reaction mixture from (i.1) contains the reaction mixture of formula (B) compound in (i.2) with acquisition by the agent treated of promotion eliminative reaction, preferably do not convert solvent:

Due to according to document, the second step of Peterson alkylene comprises and uses BF ₃* Et ₂o (boron triflouride etherate), another major advantage of the present invention is for completely to avoid using potential Harmful chemicals as BF in this step of reaction ₃the fact of etherate.As discussed above, if MTBE is used as solvent in (i.1), then particularly preferably implement the inventive method not converting under solvent after (i.1).

Particular restriction is there is not, as long as obtain the reaction mixture containing formula (B) compound about reacting the temperature of carrying out in (i.2).(i.2) in, process is preferably carried out at the temperature of-20 ° of C to+70 ° of C.Preferred temperature range is such as that-20 ° of C to-10 ° of C or-10 ° C to 0 ° C or 0 ° C to+10 ° of C or+10 ° of C to+20 ° of C or+20 ° of C to+30 ° of C or+30 ° of C to+40 ° of C or+40 ° of C to+50 ° of C or+50 ° of C are to+60 ° of C or+60 ° of C to+70 ° of C.

There is not particular restriction in the reagent about the promotion eliminative reaction used in (i.2), as long as obtain formula (B) compound, preferably converts without the need to solvent after (i.1).Reagent is preferably the mixture of acid or two or more acid.Reagent is more preferably the mixture of mineral acid or two or more mineral acids.Particularly preferably use sulfuric acid.Preferably, if sulfuric acid is used as reagent, then (i.2) carries out at the temperature of+40 ° of C to+50 ° of C.

Therefore, according to preferred embodiment, the present invention relates to a kind of method as defined above, wherein obtain containing compound (Ba) reaction mixture as formula (B) compound by the vitriolization of promotion eliminative reaction from the reaction mixture of (i.1) not converting under solvent in (i.2):

Therefore, according to also preferred embodiment, the present invention relates to a kind of method as defined above, it comprises the steps:

(i.1) formula (Aa) compound is made:

With (H ₃c) ₃si-CH ₂mgCl reacts to obtain containing the reaction mixture of following formula beta-hydroxy silane as intermediate in MTBE is as solvent:

(i.2) do not converting under solvent MTBE, the reaction mixture obtained containing formula (Ba) compound with promoting the reaction mixture that the vitriolization of eliminative reaction obtains:

According to also preferred embodiment, the present invention relates to a kind of method as defined above, it comprises the steps:

(i.1) formula (Aa) compound is made:

With (H ₃c) ₃si-CH ₂mgCl reacts to obtain containing the reaction mixture of following formula beta-hydroxy silane as intermediate in MTBE is as solvent at the temperature of-15 ° of C to+5 ° of C:

(i.2) do not converting under solvent MTBE, the reaction mixture obtained containing formula (Ba) compound with promoting the reaction mixture that the vitriolization of eliminative reaction obtains at the temperature of+40 ° of C to+50 ° of C:

Step (ii)-(vi.2)

In step (ii)-(vi.2), preferably by contained preparation of compounds of formula (I) compound in reaction mixture of (i.2) middle acquisition as mentioned above.Thus, the inventive method comprises the steps: further

Wherein R ₁and R ₂be the alkyl with 1-5 carbon atom of optional suitable replacement independently;

(iii) reduction-type (C) compound is to obtain formula (D) compound:

(vi.1) at solvent, heating-type (F) compound and 1 in preferred DMSO (methyl-sulphoxide), 2,4-triazole an alkali metal salt, particular certain cancers, preferably at DMPU (1,3-dimethyl-3,4,5,6-tetrahydrochysene-2 (1H)-pyrimidone) do not exist under, and the reaction mixture obtained with alkaline purification is with acquisition formula (I) compound:

(vi.2) by extracting separate type (I) compound from the reaction mixture obtained by (vi.1) in suitable solvent.

Step (ii)

According to step of the present invention (ii), preferably make formula (B) compound and malonic ester R ₁oOC-CH ₂-COOR ₂reaction, wherein R ₁and R ₂be the alkyl with 1-5 carbon atom of optional suitable replacement independently.Carbonatoms refers to the carbonatoms of non-substituted alkyl residue.Preferred alkyl R ₁and R ₂there is 1-4 carbon atom, as methyl, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-and the tertiary butyl.Even more preferably alkyl R ₁and R ₂there is 1 or 2 carbon atom, as methyl or ethyl, particularly preferably ethyl.Even more preferably alkyl R ₁and R ₂for unsubstituted alkyl.

In step (ii), preferably make malonic ester R further ₁oOC-CH ₂-COOR ₂with compound (B) at suitable strong bases, there is lower reaction in preferred as alkali highly basic, described highly basic allows from malonic ester R ₁oOC-CH ₂-COOR ₂corresponding Yin Li – CH (COOR ₁) (COOR ₂) reaction.Preferred sodium is as basic metal.Suitable alkali is such as NaH or NaOH, preferred NaOH.NaOH can use by often kind of suitable form.According to preferred embodiment, NaOH with solid as sheet NaOH form use.The solvent that step (ii) is carried out wherein can be selected according to the specific chemical property of such as above-mentioned highly basic.Possible solvent is such as THF, DMSO etc.According to the present invention, preferred DMSO.React the temperature of carrying out in step (ii) to select according to solvent and alkali.Preferred temperature is 0-35 ° of C, more preferably 25-30 ° of C.

Reaction product-Shi (C) compound in (ii) is separated in the reaction mixture preferably obtained from (ii) suitably:

According to preferred embodiment, this separation comprises the step that wherein compound (C) is separated by extraction in suitable solvent.In a suitable solvent, according to the preferred hexanaphthene of the present invention.

The organic layer obtained by extraction can wash in one or more steps.As washing reagent, water to be mentioned and alkaline aqueous solution, such as alkali metal base is as alkali metal hydroxide, the aqueous solution of preferred sodium hydroxide.

Step (iii)

According to another preferred embodiment of the present invention, suitably also formula (C) compound that obtains of reason step (ii) to obtain formula (D) compound:

In step (iii), reduction can be carried out according to any suitable method relating to any appropriate reductive agent.According to the present invention, preferably use hydride reducer.This type of hydride reducer is such as sodium borohydride (NaBH ₄), lithium borohydride (LiBH ₄), lithium aluminium hydride (LiAlH ₄), diisobutylaluminium hydride (DIBAL) or lithium triethylborohydride (LiEt ₃bH).According to the preferred embodiment of the invention, in step (iii), use LiBH ₄as reductive agent.

According to prior art, relative to formula (C) compound, the LiBH of at least 3 molar equivalents must be used ₄.Can refer to WO94/25452, the 31st page, " Preparation5 " part.But contrary with the instruction of prior art, relative to malonate compound (C), reductive agent LiBH ₄can shockingly with much lower excessive use.Relative to formula (C) compound, of the present invention improving one's methods uses the LiBH of 2 molar equivalents at the most ₄, it means the reductive agent compared to prior art saving at least 33%.Therefore, especially for technical grade method, the invention provides the advantage in economy and ecology.Therefore, the present invention relates to a kind of method as defined above, wherein use LiBH ₄as reductive agent, relative to compound (C), it preferably uses with the amount of 2 molar equivalents at the most.

React about step (iii) solvent carried out wherein and there is not particular restriction, as long as obtain formula (D) compound.Preferred solvent is selected from the mixture of water, alcohol and water and at least one alcohol.Preferred alcohol is methyl alcohol, ethanol and Virahol.Therefore, solvent is preferably selected from the mixture of water, methyl alcohol, ethanol, Virahol and water and these alcohol of at least one, more preferably the mixture of water, ethanol, Virahol and water and these alcohol of at least one, the more preferably mixture of water, Virahol and water and Virahol.

Shockingly find, especially for the most preferably reductive agent-LiBH used in step (iii) ₄, the mixture of water and Virahol is the most favourable solvent.To be known as the fact of decomposing hydride reducer contrary with water, finds that existing of water in the inventive method step (iii) is favourable.Not for being bound by any theory, think that this may be because the following fact: certain water gaging improves LiBH ₄reagent and/or its precursor NaBH ₄solvability with LiCl, increases speed of reaction thus, and the decomposition of overcompensation reductive agent again thus.

Therefore, according to other embodiments, the solvent used in step (iii) comprises water, and wherein solvent preferably comprises 1-20 volume %, more preferably the water of 5-15 volume %.

React the temperature of carrying out in step (iii) to select according to solvent and reductive agent.Preferred temperature is 0-40 ° of C, more preferably 20-35 ° of C, more preferably 25-30 ° of C.

Reduzate-Shi (D) compound in (iii) is separated in the reaction mixture preferably obtained from (iii) suitably.According to preferred embodiment, this separation comprises the step that wherein compound (D) is separated by extraction in suitable solvent.In a suitable solvent, according to the preferred toluene of the present invention.

Step (iv)

According to step of the present invention (iv), preferably use isobutyric anhydride acidylate formula (D) compound to obtain formula (E) compound:

(iv) in, acidylate is more preferably in suitable enzymes, and at suitable solvent under preferred NovoSP435 enzyme exists, preferred acetonitrile or toluene, more preferably the method be such as similar in toluene described in WO97/22710 is carried out.Select toluene as solvent also owing to being of value to extraction aftertreatment without the need to additional solvent.When acetonitrile is as solvent, extraction aftertreatment needs to use extra immiscible solvent.

The temperature that in step (iv), acidylate is carried out can be selected according to solvent, acylating reagent and enzyme.Preferred temperature is-20 ° of C to-5 ° of C, and more preferably-15 ° of C are to-10 ° of C, more preferably 25-30 ° of C.

The reaction mixture obtained preferably uses appropriate base as sodium bicarbonate process further.

According to particularly preferred embodiment of the present invention, the crystallization from reaction mixture suitably of formula (E) compound.Therefore, the invention still further relates to a kind of method as defined above, wherein after (iv) and before (v), make at least part of crystallization of formula (E) compound.Crystallization can be carried out according to method possible arbitrarily.According to preferred embodiment, the crystallization from normal heptane of formula (E) compound.

Step (v)

According to step (v) of the present invention, preferably make formula (E) compound and be selected from Cl ₂, Br ₂and I ₂halogen Hal ₂, preferred I ₂react the formula that obtains (Fa) compound in the presence of a base in a solvent:

Usually can alkali as pyridine exist under and at suitable solvent as acetonitrile, THF, EtOAc (ethyl acetate) or CH ₂cl ₂at the temperature of-20 ° of C to+30 ° of C, reaction in step (v) is carried out in (methylene dichloride, DCM).Can refer to WO94/25452A1, the 16th and 35 pages.But in the context of the present invention, found that reaction is carried out suitably in ethyl acetate is as solvent, wherein sodium bicarbonate is used as alkali.Therefore, the invention provides a kind of method allowing alternative non-innocuousness alkali pyridine.Find further to react the temperature of carrying out preferably lower than 0 ° of C, more preferably no higher than-5 ° of C, even more preferably no higher than-10 ° of C.

After reaction, after optional suitable quencher, organic layer can optionally washing at least one times.Quencher can use 10% (w/v) sodium sulfite aqueous solution to carry out.

According to particularly preferred embodiment, the present invention relates to a kind of method as defined above, wherein in step (v), obtain formula (Fa) compound-cis-isomeride together to formula (Fb) compound-corresponding trans-isomer(ide):

This mixture of formula (Fa) and (Fb) compound refers to following formula (F) compound:

According to the present invention, in described compound (F), preferred 80-95%, more preferably the molecule of 85-95% exists with formula (Fa) cis-isomeride, and preferably 20-5%, more preferably compound (F) molecule of 15-5% exists with formula (Fb) trans-isomer(ide).

Therefore, the invention still further relates to method as defined above, it comprises the steps: further

Wherein preferred 80-95%, more preferably compound (F) molecule of 85-95% exists with formula (Fa) cis-isomeride, and preferably 20-5%, more preferably compound (F) molecule of 15-5% exists with formula (Fb) trans-isomer(ide).

Step (vi.1)

According to step of the present invention (vi.1), preferred heating-type (F) compound suitably in suitable solvent, i.e. especially formula (Fa) compound and formula (Fb) compound, with 1,2,4-suitable triazolium salt.Preferred 1,2,4-triazolium salt is an alkali metal salt, particularly preferably sodium salt.Preferred solvent is that the non-protonic solvent of polarity is as DMF (DMF) and DMSO, preferred DMSO.

Reaction mixture is heated to preferably+70 ° of C to+100 ° of C in step (vi.1), preferably+80 ° of C to+95 ° of C, the more preferably temperature of+85 ° of C to+90 ° of C.

About the reaction of such and triazolium salt, WO94/25452 teaches this heating must carry out under 1,3-dimethyl-3,4,5,6-tetrahydrochysene-2 (1H)-pyrimidone (DMPU) exists.Can refer to WO94/25452 the 17th page of step (1) and the 39th page of step (b).With instruct in WO94/25452 contrary, shockingly to find in the step (vi.1) heating-type (F) compound can DPMU not in the presence of carry out.Therefore, according to the significantly improved method of the present invention, provide the solvent system of simplification according to preferred embodiment, it only comprises DMSO, i.e. only a kind of solvated compounds, contrary with the mandatory pair of compound system of instructing in WO94/25452.

By heating obtain mixture then preferred appropriate base process to promote ester structure partly-hydrolysed.This type of alkali is such as alkali metal hydroxide, alkali metal hydrocarbonate, alkaline carbonate, alkaline earth metal hydroxides, alkali metal bicarbonates and alkaline earth metal carbonate.Preferred as alkali alkali.Alkali preferably adds with water-bearing media and/or alcohol medium.Suitable alcohol is for individual containing 1-6, and preferred 1-4, more preferably 1-3 is individual, the most preferably alcohol of 1-2 carbon atom.According to the present invention, find that preferred alkali is sodium hydroxide, preferably used with the aqueous solution, in presence of methyl alcohol.

According to the present invention, acquisition formula (I) compound in step (vi.1):

According to prior art, need by chromatography separate type (I) compound and formula (II) compound thus after the reactions steps corresponding to step of the present invention (vi.1).Can refer to WO94/25452 the 39th page of step (b).Therefore, prior art is instructed clearly and must be carried out expensive and time-consuming purifying, and it makes currently known methods significantly unfavorable for its industrial scale applications.

Contrary with the instruction of prior art, find for the present invention, if carry out the particular order of extraction in step (vi.1) and (vi.2), in optional step (vii) as described below, crystallization and step (2) the present invention generate salt, then need not carry out this chromatography separation.Therefore, this improvement representative is better than the remarkable improvement of art methods.

Step (vi.2)

According to step of the present invention (vi.2), be separated the following compound be contained in the mixture obtained by step (vi.1) suitably, carry out preferably by extraction in suitable solvent,

Formula (I) compound:

Especially formula (II) compound:

With formula (III) compound

According to the present invention, preferred solvent is the water immiscibility solvent of polarity.More preferably solvent is that ester is as ethyl acetate or isopropyl acetate, ether is as tetrahydrofuran (THF) or methyltetrahydrofuran, ketone is as methyl iso-butyl ketone (MIBK), halogenated solvent is as methylene dichloride, two or more mixture in toluene or these solvents, more preferably ester or ether, more preferably ether, even more preferably methyltetrahydrofuran.

Step (vii)

As mentioned above, the inventive method can comprise another step (vii) of at least part of crystallization formula (I) compound further.The compound of thus obtained at least part of crystallization subsequently with the first suitable solvent blending.

Therefore, the invention still further relates to method described above, wherein in (1), the method that formula (I) compound provides in (1) comprises the steps: further

(vii) after (vi.2), at least part of crystallization formula (I) compound, especially formula (II) compound and formula (III) compound, its Chinese style (I) compound is preferably optionally through adding suitable anti-solvent and crystallization from solvent, wherein solvent is preferably the solvent or solvent mixture that use in (vi.2), and wherein anti-solvent is preferably saturated or unsaturated hydrocarbons as hexanaphthene, hexane or heptane, or its two or more mixture.

After crystallization, preferably by formula (I) compound of crystallization, especially formula (II) compound of crystallization is such as separated by appropriate filter from mother liquor with formula (III) compound of crystallization, and preferably uses suitable wash reagent wash at least one times.Preferred washing reagent is solvent mixture for crystallization and above-mentioned anti-solvent.After this preferable separation, preferably formula (I) compound, formula (II) compound of especially crystallization and formula (III) compound of crystallization of drying crystalline under Suitable drying conditions.Preferably dry in a vacuum, wherein temperature is preferably 20-50 ° of C, more preferably 30-45 ° of C.

According to the present invention and as mentioned above, formula (II) chipal compounds-cis-isomeride of crystallization:

With formula (III) compound with its diastereomeric forms-crystallization, namely the mixture of trans-isomer(ide) obtains:

According to the preferred processing condition of the inventive method, formula (I) compound of the crystallization obtained after step (vii) is preferably containing 80-95%, more preferably the cis-isomeride (II) of 85-95%, and preferred 20-5%, the more preferably trans-isomer(ide) (III) of 15-5%.

Further according to step of the present invention (1), formula (I) compound provided before with the HCl process be contained in the second suitable solvent in the first suitable solvent.

Usually to the chemical property of the first suitable solvent without particular restriction, as long as allow the HCl salt of acquisition formula (I) compound with the HCl process be contained in the second suitable solvent.According to the present invention, be wherein organic solvent according to the preferred solvent of step (1) contained (I) compound, preferred alcohols and/or alcohol precursor, ether, ketone, ester or its two or more mixture.The term " alcohol precursor " used in the context of the invention refers to the compound being generated alcohol under the processing condition of step (1) or step (1) and (2) by it.Such as, in order to terms of description " alcohol precursor ", cyclic ether compounds two should be mentioned alkane, methyltetrahydrofuran or tetrahydrofuran (THF), it is at least part of with corresponding open chain alcohol existence in acid condition.

According to other embodiments of the present invention, first suitable solvent of contained (I) compound is selected from ethyl acetate, isopropyl acetate, ether, tetrahydrofuran (THF) (THF), methyltetrahydrofuran, two alkane, methyl alcohol, n-propyl alcohol, n-butyl alcohol, 2-butanols, 2-methyl-1-butene alcohol, 3-methyl-1-butanol, acetone, 2-butanone and methyl iso-butyl ketone (MIBK) (MIBK), and wherein the second solvent is selected from two alkane, tetrahydrofuran (THF) (THF), ether, Di Iso Propyl Ether, methyl tertiary butyl ether (MTBE), ethyl acetate, methyl alcohol, n-propyl alcohol, n-butyl alcohol, 2-butanols, 2-methyl-1-butene alcohol, 3-methyl-1-butanol and toluene.

As the first suitable solvent, the mixture of two or more usually also can be used in coordinative solvent.As the second suitable solvent, the mixture of two or more usually also can be used in coordinative solvent.Step (2) improves the purity with regard to cis-isomeride

Shockingly find that the particular combination of the first suitable solvent and the second suitable solvent allows to improve the ratio of cis-isomeride (II) and trans-isomer(ide) (III) in step (1) and (2), if especially carry out crystallization after step (2).Especially 80-95% is comprised for formula (I) compound wherein provided in step (1), the cis-isomeride (II) of preferred 85-95% and 20-5%, the situation of the trans-isomer(ide) (III) of preferred 15-5%, this particular combination of solvent provides and can realize by simple crystallization mode the possibility that described cis-isomeride (II) improves with trans-isomer(ide) (III) ratio, and without the need to using the consuming time and gradient column chromatography of costliness described in the prior.According to this particular of the present invention, the first and/or second solvent comprises alcohol and/or alcohol precursor.

Therefore, the invention still further relates to method as defined above, wherein the first and/or second solvent comprises alcohol and/or alcohol precursor.

Even more preferably, found that particularly preferred embodiment is the combination of the first suitable solvent (for MIBK) and the second suitable solvent (for THF).In addition, found that another particularly preferred embodiment is for wherein using propyl carbinol as the first and second suitable solvents.

About the temperature of carrying out processing in step (2) usually without particular restriction.Depend on the boiling point of solvent for use, preferred temperature is 20-100 ° of C, preferred 40-80 ° C, more preferably 55-65 ° of C.Compared with carrying out the temperature of step (2), the temperature of the mixture obtained by step (1) can be higher, lower or substantially identical.According to the preferred embodiment of the invention, before adding the second suitable solvent comprising HCl, the mixture of formula (I) compound provided in step (1) and the first suitable solvent is heated to carry out the temperature of step (2).Term " comprises second suitable solvent of HCl " need not get rid of following embodiment: before adding the second suitable solvent, will add in the mixture obtained by step (1) by HCl at least partially; Or after adding the second suitable solvent, will add in the mixture obtained by step (1) by HCl at least partially.According to the preferred embodiment of the invention, the HCl in step (2) needed for process is substantially contained in completely in the second suitable solvent and also adds together with the second suitable solvent thus in the mixture obtained by step (1).

Usually the HCl of any amount can be used, as long as after step (2), especially, after the crystallization after step (2), cis-isomeride (II) and trans-isomer(ide) (III) ratio are improved compared to corresponding proportion in middle formula (I) compound used of step (1).According to the preferred embodiment of the invention, what use in step (2) is contained in the mol ratio HCl:(I of the HCl in the second solvent relative to formula (I) compound) be 1.0:1 to 2.0:1, preferred 1.1:1 to 1.8:1, more preferably 1.2:1 to 1.7:1, more preferably 1.3:1 to 1.5:1.

As discussed above, comprise HCl in the second solvent used in the inventive method step (2).Shockingly find that HCl can not by other acid as H ₂sO ₄, HBr, HNO ₃, H ₃pO ₄, trifluoroacetic acid or other organic acids substitute.Therefore, the embodiment possible according to the present invention, carries out step (2), and wherein the second solvent only comprises HCl as acidic components.

As mentioned above, after step (2), the HCl salt preferably crystallization at least partly of formula (I) compound.Thus, the embodiment that wherein said crystallization realizes at least partly in step (2) process is comprised.Seeding can be carried out with suitable initiation crystallization.But, in the context of the present invention, inessential and preferably not seeding and the crystallization of seeding.

The temperature that described crystallization is carried out can regulate according to solvent for use usually.According to the preferred embodiment of the invention, temperature is 20-100 ° of C, preferred 40-80 ° C, more preferably 55-65 ° of C.After this, the mixture that preferred continuous coo1ing obtains, to preset temp, wherein cools serially or the proceed step by step with two steps or more step.According to embodiment of the present invention, mixture is finally cooled to 0-30 ° of C, the preset temp of preferred 20-30 ° C.

After crystallization, preferably the HCl salt of formula (I) compound of the cis-isomeride (II) with at least part of crystallization of trans-isomer(ide) (III) ratio that show raising be such as separated by appropriate filter from mother liquor and preferably use suitable wash reagent wash at least one times.Preferred washing reagent is such as one of above-mentioned first suitable solvent, particularly preferably MIBK.Therefore, the invention still further relates to a kind of method as defined above, it comprises the steps: further

(2a) be separated to the HCl salt of formula (I) compound of small part crystallization, be separated preferably by filtration, optionally use suitable solvent subsequently, preferred MIBK washing.

After this preferable separation, under Suitable drying conditions, be preferably dried to the HCl salt of formula (I) compound of small part crystallization.Preferably dry in a vacuum, wherein temperature is preferably 30-55 ° of C, more preferably 40-50 ° of C.

As mentioned above, formula (I) compound used as raw material in step (1) comprises 80-95% usually, the cis-isomeride (II) of preferred 85-95% and 20-5%, the trans-isomer(ide) (III) of preferred 15-5%.If use this compound (I), the HCl salt of formula (I) compound of at least part of crystallization then obtained by HCl process in step (2) and crystallization as defined above comprises higher than 95%, preferably at least 96% formula (II) cis-isomeride HCl salt and lower than 5%, preferably at the most 4% the HCl salt of formula (III) trans-isomer(ide).But, even more preferably the HCl salt of formula (I) compound of crystallization at least partly comprises at least 97%, preferred at least 98%, more preferably the HCl salt and at the most 3% of formula (II) cis-isomeride of at least 99%, preferably at the most 2%, more preferably at the most 1% the HCl salt of formula (III) trans-isomer(ide).

Therefore, compared with prior art, the invention provides the method for the remarkable simplification of purifying formula (I) compound with regard to formula (II) cis-isomeride.Especially for preferably using formula (I) compound of this purifying to prepare anti-mycotic agent, especially posaconazole, the method improves the complicated purification avoiding prior art, allows directly to amplify scale.

Step (3) improves purity further by solid phase extraction

In the satisfied application subsequently of the purity of HCl salt with regard to formula (II) cis-isomeride of formula (I) compound of at least part of crystallization obtained by step (2) and subsequent crystallisation as the preparation of anti-mycotic agent, when preferred formula (VIII) compound requires:

The invention provides the invention step of purity described in another raising formula (I) compound.According to this embodiment of the present invention, make the HCl salt of the formula of at least part of crystallization (I) compound carry out at least one suitable solid phase extraction step further, thus obtain the content and the HCl salt with regard to formula (III) trans-isomer(ide) with formula (I) compound of the content reduced further with regard to formula (II) cis-isomeride with further raising.Therefore, the invention still further relates to method as defined above, it comprises the steps: further

(3) make the HCl salt of the formula of at least part of crystallization (I) compound in suitable solvent (preferably comprising MIBK), carry out solid phase extraction with the HCl salt of acquisition formula (I) compound, thus improve the content with regard to the HCl salt of formula (II) cis-isomeride.

Before discussing the HCl salt making at least part of crystallization in detail and carrying out the invention step of solid phase extraction, the HCl salt of formula (I) compound of at least part of crystallization that step of the present invention (3) can not improve based on its purity with regard to cis-isomeride usually in step (1) and (2) yet should be noted and carry out.The preparation of the present invention of the HCl salt of formula (I) compound and this combination of solid phase extraction of the present invention also allow the HCl salt easily obtaining formula (I) compound with the raising purity with regard to formula (II) cis-isomeride.

This present invention combination of reactions steps especially allows use in step (1) usually to comprise 80-95%, the cis-isomeride (II) of preferred 85-95% and 20-5%, the raw material of the trans-isomer(ide) (III) of preferred 15-5%.If use this compound (I), if and the unrealized raising of purifying in step (1) and (2) with regard to the HCl salt of formula (I) compound of at least part of crystallization, the HCl salt of formula (I) compound of at least part of crystallization then obtained by HCl process in step (2) and crystallization as defined above comprises 80-95%, the HCl salt of the HCl salt of the cis-isomeride (II) of preferred 85-95% and the trans-isomer(ide) (III) of 20-5%, preferred 15-5%.In step (3) after solid phase extraction of the present invention, the HCl salt of formula (I) compound of at least part of crystallization obtained by (3) comprises at least 97%, preferred at least 98%, more preferably the HCl salt and at the most 3% of formula (II) cis-isomeride of at least 99%, preferably at the most 2%, more preferably at the most 1% the HCl salt of formula (III) trans-isomer(ide).

If after step (3), application is not subsequently met as the preparation of anti-mycotic agent by step (3) and the HCl salt of formula (I) the compound purity with regard to formula (II) cis-isomeride of at least part of crystallization that is separated acquisition subsequently, the requirement of preferred formula (VIII) compound, then can carry out one or more extra solids extraction step according to step (3) usually.

Purity with regard to (II) is not or there is no the step (2) of raising

If in step (1) and (2), unrealized or the unrealized raising substantially of purity with regard to cis-isomeride (II), then about the solvent used in step (1) and step (2) without particular restriction.Especially, found and improved cis: the embodiment of the present invention of trans ratio is contrary, step (1) and (2) middle first and/or second solvent used are without the need to comprising alcohol or alcohol precursor.About the possibility except alcohol or alcohol precursor to be used in step (1) and (2) and preferred solvent, can refer to and discuss accordingly above.

The preferred embodiment of the invention of or substantially unrealized raising unrealized according to the purity wherein in step (2) with regard to cis-isomeride (II), provides formula (I) compound in step (1) in acetone is as the first suitable solvent.If the method preparation that formula (I) compound obtains in the solvent being different from acetone according to compound, then preferably suitable solvent conversion.As mentioned above, formula (I) compound is preferably by the method comprising step (i.1)-(vi.2), more preferably provide in non-crystallizable situation in step (vii), wherein according to another preferred embodiment, formula (I) compound obtains in methyltetrahydrofuran is as solvent.Therefore, preferably formula (I) compound is made to carry out suitably methyltetrahydrofuran being transformed to acetone before step of the present invention (2).

If the unrealized raising of the purity with regard to cis-isomeride, then usual without particular restriction about processing the temperature of carrying out in step (2).Depend on the boiling point of solvent for use, preferred temperature is 0-100 ° of C.Compared with the temperature of carrying out with step (2), the temperature of the mixture obtained by step (1) can be higher, lower or substantially identical.According to the preferred embodiment of the invention, before adding the second suitable solvent comprising HCl, the mixture of formula (I) compound provided in step (1) and the first suitable solvent is heated to the temperature that step (2) is carried out.Term " comprises second suitable solvent of HCl " need not get rid of following embodiment: will add in the mixture obtained by step (1) by HCl at least partially before adding the second suitable solvent, or will add in the mixture obtained by step (1) by HCl at least partially after adding the second suitable solvent.According to the preferred embodiment of the invention, the HCl in step (2) needed for process is substantially contained in completely in the second suitable solvent and also adds together with the second suitable solvent thus in the mixture obtained by step (1).

Usually the HCl of any amount can be used.According to the preferred embodiment of the invention, what use in step (2) is contained in the mol ratio HCl:(I of the HCl in the second solvent relative to formula (I) compound) be 1.0:1 to 3.0:1, preferred 1.5:1 to 2.5:1, more preferably 2.0:1 to 2.2:1.

As discussed above, HCl is contained in the second solvent used in the inventive method step (2).Shockingly find that HCl can not by other acid as H ₂sO ₄, HBr, HNO ₃, H ₃pO ₄, trifluoroacetic acid or other organic acids substitute.Therefore, the embodiment possible according to the present invention, carries out step (2), and wherein the second solvent only comprises HCl as acidic components.

As mentioned above, after step (2), preferably make at least part of crystallization of HCl salt of formula (I) compound.Thus, the embodiment that wherein said crystallization realizes at least partly in step (2) process is comprised.Seeding can be carried out with suitable initiation crystallization.But, in the context of the present invention, without the need to seeding and preferably not seeding and crystallization.

The temperature that described crystallization is carried out regulates according to solvent for use usually.According to the preferred embodiment of the invention, temperature is 20-100 ° of C, preferred 40-80 ° C, more preferably 55-65 ° of C.After this, the mixture that preferred continuous coo1ing obtains, to preset temp, wherein cools serially or the proceed step by step with two steps or more step.According to embodiment of the present invention, mixture is finally cooled to 0-30 ° of C, the preset temp of preferred 20-30 ° C.

After crystallization, preferably the HCl salt of identical with raw material or substantially identical cis-isomeride (II) with formula (I) compound of at least part of crystallization of trans-isomer(ide) (III) ratio will be shown, namely the HCl salt of wherein crystallization at least partly comprises 80-95%, the HCl salt of formula (II) cis-isomeride of preferred 85-95% and 20-5%, the HCl salt of formula (I) compound of at least part of crystallization of the HCl salt of formula (III) trans-isomer(ide) of preferred 15-5% is separated from mother liquor, such as pass through appropriate filter, and preferably use suitable wash reagent wash at least one times.Preferred washing reagent is such as one of above-mentioned solvent, preferable methyl tertbutyl ether (MTBE), acetone or methyl iso-butyl ketone (MIBK) (MIBK), particularly preferably MTBE.Therefore, the invention still further relates to a kind of method as defined above, described method comprises the steps: that (2b) is separated to the HCl salt of formula (I) compound of small part crystallization further, be separated preferably by filtration, optionally use suitable solvent subsequently, preferable methyl tertbutyl ether (MTBE), acetone or methyl iso-butyl ketone (MIBK) (MIBK), more preferably MTBE washing.

Step (3) is described in detail in detail

As mentioned above, if cis in the methods of the invention: trans ratio improves in step (1) and (2) and the purity that this improves with regard to cis-isomeride does not meet the particular requirement that formula (I) compound is applied subsequently, then can carry out making the HCl salt of the formula of at least part of crystallization (I) compound stand the step (3) of solid phase extraction at least one times.If step (1) and (2) middle cis: trans ratio brings up at least 97:3, preferred at least 98:2, more preferably at least 98.5:1.5, the even more preferably value of 99:1, then in most cases usual without the need to carrying out one or more additional step (3).If after step (1) and (2) cis: trans than unrealized raising or can not realize improving, if or cis: trans ratio is increased to the value being less than 97:3, then particularly preferred embodiment of the present invention carries out at least one step (3) after step (1) and (2).

As defined above, this step (3) comprises the steps:

Usually often kind of suitable solvent or solvent mixture can be used in step (3).According to particularly preferred embodiment, the solvent used in step (3) or solvent mixture comprise MIBK.Therefore, in step (3), MIBK can be used as exclusive solvents, or uses as the solvent in suitable solvent mixture.But to other components of solvent mixture without particular restriction, as long as can carry out solid phase extraction of the present invention, preferred solvent mixture also comprises at least one alcohol except MIBK, or at least one alcohol precursor, or at least one alcohol and at least one alcohol precursor.About term " alcohol precursor ", can refer to and define accordingly above.The solvent mixture even more preferably used in step (3) is by MIBK and at least one alcohol, or at least one alcohol precursor, or at least one alcohol and at least one alcohol precursor composition.More preferably the solvent mixture used in step (3) is made up of MIBK and at least one alcohol, is even more preferably made up of MIBK and a kind of alcohol.But, to this at least one alcohol without particular restriction, particularly preferably butanols, especially propyl carbinol.

About MIBK relative to alcohol, preferred butanols, even more preferably, there is not particular restriction in the mol ratio of propyl carbinol.According to preferred embodiment, the MIBK used in the solvent mixture used in step (3) is 0.5:1 to 10:1 relative to the mol ratio of alcohol, preferred 0.75:1 to 5:1, more preferably 0.95:1 to 1.05:1.

The concentration of HCl salt in the solvent or solvent mixture of the middle use of step (3) of formula (I) compound can adapt to the special needs of purifying to be achieved usually.According to preferred embodiment, the concentration of the HCl salt of formula (I) compound is 0.25-0.75, and preferred 0.55-0.65mol/ rises solvent or solvent mixture.

The temperature that described solid phase extraction carries out regulates according to the solvent used or solvent mixture usually.According to the preferred embodiment of the invention, solid phase extraction is at 20-100 ° of C, preferred 40-80 ° C in step (3), carries out at the temperature of more preferably 55-65 ° of C.

After this, preferably cool the mixture that obtains to preset temp, wherein cool serially or the proceed step by step with two steps or more step.According to embodiment of the present invention, mixture is finally cooled to 0-30 ° of C, the preset temp of preferred 20-30 ° C.

Preferably the HCl salt of formula (I) compound of the cis-isomeride (II) with at least part of crystallization of trans-isomer(ide) (III) ratio that show raising is separated from the mixture obtained by solid phase extraction, such as be separated by appropriate filter, and preferably use suitable wash reagent wash at least one times.Preferred washing reagent is such as one of described solvent, particularly preferably ether and/or methyl tertiary butyl ether (MTBE).Therefore, the invention still further relates to a kind of method as defined above, described method comprises the steps: further

(3a) by the HCl salt of formula (I) compound of at least part of crystallization and the mixture separation obtained by (3), be separated preferably by filtration, optionally use suitable solvent subsequently, preferred ether or methyl tertiary butyl ether (MTBE) washing.

Before or after described drying step, the inventive method can comprise at least one makes the HCl salt of at least part of crystallization obtained by step (3) or step (3a) carry out the other step of solid phase extraction.About the usual and preferred condition that this extra solids extracts, can refer to the discussion of above-mentioned steps (3) and (3a).Therefore, the invention still further relates to the method as defined above comprising step (3) and (3a), it comprises further makes the HCl salt obtained by (3a) carry out solid phase extraction according to method as defined above, is preferably separated thus obtained HCl salt according to the method discussed with regard to step (3a) subsequently.

As mentioned above, the HCl salt of formula (I) compound used as raw material in step (3) usually containing 80% to lower than 97%, preferably 85% to the HCl salt and 20% of cis-isomeride (II) lower than 97% to higher than 3%, preferably 15% to higher than 3% the HCl salt of trans-isomer(ide) (III).If use this formula (I) compound, then comprise at least 97% by solid phase extraction in step (3) with the HCl salt of formula (I) compound being separated at least part of crystallization obtained as defined above, preferred at least 98%, more preferably the HCl salt and at the most 3% of formula (II) cis-isomeride of at least 99%, preferably at the most 2%, more preferably at the most 1% the HCl salt of formula (III) trans-isomer(ide).

Therefore, find by causing the cis highly improved: the appropriate combination of the step (1) of trans ratio and (2) and subsequent crystallisation, preferably carry out solid phase extraction of the present invention at least one times subsequently, or more generally combining by step (1) and (2), particularly preferably carry out solid phase extraction of the present invention at least one times subsequently, the method of the remarkable simplification of purifying formula (I) compound with regard to formula (II) cis-isomeride can be provided, based on the key compound of HCl salt being formula (I) compound in both cases.Formula (I) compound particularly about this purifying is preparing anti-mycotic agent, the preferable use particularly in posaconazole, and the method improves the complicated purification avoiding prior art, allows directly to amplify scale.

Therefore, the invention still further relates to a kind of hydrochloric acid (HCl) salt of formula (I) compound of preferred crystallization:

According to the preferred embodiment of the invention, the HCl salt of described preferred crystallization comprises at least 97%, preferred at least 98%, more preferably the HCl salt and at the most 3% of formula (II) cis-isomeride of at least 99%, preferably at the most 2%, more preferably at the most 1% the HCl salt of formula (III) trans-isomer(ide).

Therefore, the present invention be more particularly directed to a kind of at least part of crystallization, the HCl salt with regard to formula (II) cis-isomeride with highly purified formula (I) compound of preferred crystallization, wherein Y ₁and Y ₂for F, and wherein said at least part of crystallization, the HCl salt of preferred crystallization comprise formula (II) cis-isomeride of at least 99% HCl salt and at the most 1% the HCl salt of formula (III) trans-isomer(ide).

Wherein Y described herein ₁and Y ₂crystallization HCl salt for formula (I) compound of F preferably demonstrates the following x-ray diffraction pattern at least comprising following reflection:

Diffraction angle ° 2 θ [Cu K (α 1)]	Relative intensity (%)
		11,02	21
16,29	5
		17,11	21
17,70	7
		19,19	3
20,30	3
		20,99	6
21,46	6
		22,53	100
24,30	12
		24,64	7
27,07	17
		27,55	16

Wherein 100% intensity referring to maximum peak in x-ray diffraction pattern.

In addition, the present invention relates to a kind of by or hydrochloric acid (HCl) salt of formula (I) compound of preferably at least partly crystallization that obtained by method as defined above:

Wherein Y ₁and Y ₂be F or Cl, preferred F independently.

As implied above, demonstrate the cis of described raising: the HCl salt of formula (I) compound of this at least part of crystallization of trans ratio can preferably as raw material for the preparation of anti-mycotic agent, preferably prepare posaconazole-Shi (VIII) compound.Especially, suitable especially according to (HCl) salt of formula (I) compound of this at least part of crystallization of the cis-isomeride of formula (II) containing at least 99%.

Therefore, the invention still further relates to and a kind of preparing anti-mycotic agent containing at least 99% according to the HCl salt of formula (I) compound of crystallization at least partly as defined above of the HCl salt of formula (II) cis-isomeride, preferably wherein Y ₁and Y ₂be the purposes in formula (VIII) compound of F:

The invention still further relates to a kind of use and prepare anti-mycotic agent containing at least 99% according to the HCl salt of formula (I) compound of crystallization at least partly as defined above of the HCl salt of formula (II) cis-isomeride, preferably wherein Y ₁and Y ₂be the method for formula (VIII) compound of F:

The invention still further relates to one and prepare anti-mycotic agent, the method for preferred formula (VIII) compound:

Wherein be used as raw material containing at least 99% according to the HCl salt of formula (I) compound of crystallization at least partly as defined above of the HCl salt of formula (II) cis-isomeride:

Wherein Y ₁and Y ₂preferably be F.

The HCl salt that the present invention be more particularly directed to comprise conversion type (I) compound is the corresponding tosylate according to formula (IV):

Formula (IV) compound and formula (V) compound are reacted:

To obtain formula (VI) compound:

And make formula (VI) compound and formula (VII) compound react suitably:

To obtain the described purposes of formula (VIII) compound, or described using method, or described method, in its Chinese style (VII) compound, R is H or suitable hydroxyl protecting group, and excellent choosing choosing is from – SiR _aar _bbr _cc, and the alkyl of optional replacement, aryl, alkaryl or aralkyl residue, wherein R _aa, R _bband R _ccidentical or different and be selected from alkyl and the aromatic yl residue of optional suitable replacement, R is preferably H.

HCl salt about conversion type (I) compound is the corresponding tosylate according to formula (IV), there is not particular restriction,

According to the preferred embodiment of the invention, at least part of crystallization, the salt of formula (I) compound of preferred crystallization, to be suspended in suitable liquid, most preferably provides in methylene dichloride (DCM).In this suspension, preferably add the suitable organic nitrogen(ous) base of at least one as triethylamine (TEA) and/or DMAP (DMAP).In the mixture obtained, suitable combination thing containing p-toluenesulfonyl is added as Tosyl chloride (TsCl) and preferred reaction 1-6 hour under the preferable temperature of 10-40 ° of C.Preferably the reaction mixture containing formula (IV) compound obtained is extracted suitably, and formula (IV) compound is from the organic layer obtained, after optional suitable concentration with solid obtain, its can optional suitable drying and preferred without any further intermediate treatment subsequently as raw material be used for react with above-mentioned formula (V) compound.

Compared with prior art, be there is by preparation the present invention the cis of raising: the HCl salt of formula (I) compound of trans ratio carries out direct tosylate preparation formula (VI) compound used according to formula (IV) of method permission of the remarkable simplification of purifying of the present invention, and column chromatography eluting without the need to the tosylate of complexity.Therefore, by preparing the HCl salt of new (I) compound suitably according to the present invention, prepare anti-mycotic agent, particularly the whole process quilt of posaconazole simplifies, particularly with regard to more substantial preparation.

Therefore, the invention still further relates to the method for hydrochloric acid (HCl) salt of preparation formula as defined above (I) compound in the mixture of diastereomers of purifying formula (II) cis-isomeride and formula (III) trans-isomer(ide) with regard to cis-isomeride, preferably contain 80-95% at purifying, formula (II) cis-isomeride of preferred 85-95% and 20-5%, the described mixture of diastereomers of formula (III) trans-isomer(ide) of preferred 15-5% is to obtain containing at least 97%, preferred at least 98%, more preferably the HCl salt and at the most 3% of formula (II) cis-isomeride of at least 99%, preferably at the most 2%, more preferably at the most 1% formula (III) trans-isomer(ide) HCl salt purified mixture in purposes:

The present invention illustrates further by following embodiment.

Embodiment

Embodiment 1: the preparation of formula (I) compound

The preparation of (a) formula (Ba) compound

3.8gMg is suspended in 20mlMTBE.The temperature of suspension is 55 ° of C.Then, by the 0.5g Grignard reagent (CH in MTBE from previous batch ₃) ₃si-CH ₂mgCl add with dry system (if do not obtain this Grignard reagent in first batch, then can use can 1.0M solution from the commercial (CH ether of Sigma-Aldrich ₃) ₃si-CH ₂mgCl (CAS registration number: 13170-43-9)), add 1.0ml chloromethyl trimethyl silane (CM-TMS subsequently; CAS registration number: 2344-80-1; City is purchased from Sigma-Aldrich).The solution of 14mlCM-TMS in 43mlMTBE was slowly added at the temperature of 55 ° of C in 2 hours.Mixture stirs 2 hours and is then cooled to the temperature of-10 ° of C under 55 ° of C.Be added in the commercial formula of 10.0g (Aa) compound (the CAS registration number: 51336-94-8 in 30mlMTBE subsequently; City is purchased from Sigma-Aldrich) and temperature remains on 0 ° of C within the scope of-10 ° of C.Reaction mixture quencher in the aqueous ammonium chloride solution of 20% (w/v).The organic layer obtained washs with the aqueous ammonium chloride solution of 20% (w/v).Then the organic layer washed thus washes with water.

The 11.0ml vitriol oil is added to organic layer, and under temperature remains on 25-30 ° of C.Then, reaction mixture stirs 3 hours at the temperature of 45-50 ° of C.Reaction mixture is cooled to 20 ° of C subsequently, adds 25ml water, and organic layer is separated.By organic layer 9% (w/v) sodium bicarbonate aqueous solution extraction obtained, then wash with water.Solvent through the organic layer of washing is removed by underpressure distillation, and obtains oily formula (Ba) compound.Productive rate is 9.4g, corresponding to the theoretical value of 95%.B () be Y wherein ₁=Y ₂=F and R ₁=R ₂=CH ₂cH ₃the preparation of formula (C) compound

10.0g formula (Ba) compound (oily matter according to (a) obtains) is under agitation dissolved in 20mlDMSO.Then 3.2g sheet NaOH and 24.0ml diethyl malonate is added.The suspension obtained stirs 5 hours under 25-30 ° of C.Add 100ml water subsequently, and the mixture obtained is stirred 30min.Thus obtained solution extracts with 80ml hexanaphthene under 25-30 ° of C.After layering, water layer is extracted with 40ml hexanaphthene under 25-30 ° of C.Organic layer 5% (w/v) NaOH solution washing merged, washes with water subsequently.After washing, the solvent of organic layer is removed by underpressure distillation, and obtains title compound as oil.

Productive rate is 15.0g, corresponding to the theoretical value of 90.0%.

C () be Y wherein ₁=Y ₂the preparation of formula (D) compound of=F

10.0g formula (C) compound (oily matter according to (b) obtains) is dissolved in 120ml Virahol and 13.0ml water at 25-30 ° of C with under stirring.The mixture obtained is cooled to the temperature of 0 ° of C to-5 ° of C.Then under 0 ° of C to-5 ° of C, 2.3g lithium chloride and 2.1g sodium borohydride is added.The suspension obtained stirs 20 hours under 25-30 ° of C.The pH of the mixture through stirring is adjusted to 1 (measuring with the pH meter of calibration) by adding the moisture HCl of 4N.Then 20% (w/v) NaOH aqueous solution is added by pH regulator to be 10 (measuring with the pH meter of calibration).The mixture obtained is stirred 1 hour.Then lower aqueous layer is discharged.Virahol steams and obtains oily matter from the organic layer be separated.100ml toluene and 100ml water is added, by product extraction in toluene layer in oily matter.The solvent of the toluene layer obtained is removed by underpressure distillation and obtains wherein Y ₁=Y ₂formula (D) the compound oily matter of=F.

Productive rate is 6.0g, corresponding to the theoretical value of 82.0%.

D () be Y wherein ₁=Y ₂the preparation of formula (E) compound of=F

10.0g formula (D) compound (oily matter according to (c) obtains) is dissolved in 80ml toluene and is cooled to-15 ° of C.Then 7.4g sodium bicarbonate, 0.5g enzyme (NovoSP435 is added; Candida Antarctica (Candidaantarctica), Novozym435, from NovoNordisk) and 7.9ml isobutyric anhydride.The mixture obtained stirs 24 hours under-15 ° of C.Then leach solid and with 5% (w/v) sodium bicarbonate aqueous solution wash filtrate, then wash with water.The solvent of the organic layer obtained removes to obtain oily by underpressure distillation and wishes product.This oily matter is dissolved in 40ml normal heptane under 50-60 ° of C.Settled solution is progressively cooled to the temperature of 10 ° of C.Wherein Y ₁=Y ₂formula (E) compound crystal of=F is clear crystal.By obtain solid filtering and wet cake 20ml normal heptane wash.Filter cake then vacuum-drying obtain wherein Y under 40 ° of C ₁=Y ₂formula (E) the compound as colourless crystal of=F.

Productive rate is 9.2g, corresponding to the theoretical value of 70.0%.

E () be Y wherein ₁=Y ₂=F and the preparation of the formula of Hal=I (F) compound

The crystal that 10.0g obtains in (d) is under agitation dissolved in 80ml ethyl acetate.The solution obtained is cooled to-15 ° of C, and adds 21.5g iodine and 7.0g sodium bicarbonate.The suspension obtained is stirred 5 hours under-15 ° of C.Reaction mixture quencher in the sodium sulfite aqueous solution of 200ml10% (w/v).The organic layer sodium sulfite aqueous solution of 100ml10% (w/v) washs, and then washes with water.The thus obtained solvent through washing organic layer removes to obtain title compound oily matter by underpressure distillation.

Productive rate is 13.5g, corresponding to the theoretical value of 95.0%.

F () be Y wherein ₁=Y ₂the preparation of formula (I) compound of=F

10.0g formula (F) compound (oily matter according to (e) obtains) is under agitation dissolved in 80mlDMSO.Then under 25-30 ° of C, add 10g1,2,4-triazole sodium salt, and the reaction mixture obtained is stirred 24 hours under 85-90 ° of C.Then mixture be cooled to 25-30 ° of C and add 25ml5% (w/v) aqueous sodium hydroxide solution.Then mixture is stirred 3 hours under 25-30 ° of C.Add 100ml water and by product extraction in 150ml methyltetrahydrofuran.With the thus obtained organic layer of 10% (w/v) aqueous NaCl wash, the solvent of the separation organic layer of acquisition removes to obtain wherein Y by underpressure distillation subsequently ₁=Y ₂the thick oily matter of formula (I) compound of=F.

Productive rate is 6.0g, corresponding to the theoretical value of 86.0%.

This thick oily matter of 10.0g is dissolved in 100ml methyltetrahydrofuran at 50-60 ° of C with under stirring.Then under 50-60 ° of C, in 30min, 300ml normal heptane is added.Turbid solution be cooled to 25-30 ° of C and stir 30min again.The suspension obtained be cooled to 0 ° of C to-5 ° of C and stir 2 hours.Filtration product also washs wet cake with 20ml normal heptane.The vacuum-drying under 40 ° of C of product through washing obtains the wherein Y of crystallization with colorless solid ₁=Y ₂formula (I) compound of=F.Productive rate is 7.0g, corresponding to the theoretical value of 70.0%.

Wherein Y ₁=Y ₂formula (I) compound of=F is with cis: trans ratio is that the cis-isomeride of 9:1 and the mixture of corresponding trans-isomer(ide) obtain.

Embodiment 2: be used as HCl in the THF of the second solvent to prepare wherein Y without solid phase extraction ₁and Y ₂for the HCl salt of formula (I) compound of F

By the wherein Y that 5g is obtained by embodiment 1 ₁and Y ₂for formula (I) compound (16.9mmol, cis: trans=9:1) of the crystallization of F is dissolved in 75mlMIBK and is heated to 60 ° of C.Then 7.2mlHCl (the 23.8mmolHCl in THF is once added in; Concentration=3.3mol/l).Then mixture is stirred 60min under 60 ° of C.After about 5-10min, mixture becomes muddy and occurs crystallization.Thus obtained suspension is cooled to envrionment temperature in 90min.Continue at room temperature to stir other 60min.The solid by filtration of acquisition is separated, washes twice (2x10ml) with MIBK, and vacuum-drying under 45 ° of C.

Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F obtains with colorless solid, corresponding to 3.95g with 78% productive rate.Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F contains wherein Y ₁and Y ₂for HCl salt and the wherein Y of formula (II) cis-isomeride of F ₁and Y ₂for the HCl salt of formula (III) trans-isomer(ide) of F, its cis: trans ratio is determined as 98.6:1.4 by HPLC.

Embodiment 3: be used as HCl in the THF of the second solvent to prepare wherein Y without solid phase extraction ₁and Y ₂for the HCl salt of the compound (I) of F

By the wherein Y that 20g is obtained by embodiment 1 ₁and Y ₂for formula (I) compound (66.7mmol, cis: trans=9:1) of the crystallization of F is dissolved in 250mlMIBK and is heated to 60 ° of C.Then by the 34mlHCl (95.2mmolHCl in THF; Concentration=2.8mol/l) dropwise add.Then under 60 ° of C, mixture is stirred 60min.After about 10min, mixture becomes muddy and occurs crystallization.Thus obtained suspension is cooled to envrionment temperature in 90min.Continue at room temperature to stir other 60min.The solid by filtration of acquisition is separated, with MIBK (10ml) washing, and vacuum-drying under 45 ° of C.

Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F obtains with colorless solid, corresponding to 12.15g with 60% productive rate.Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F contains wherein Y ₁and Y ₂for HCl salt and the wherein Y of formula (II) cis-isomeride of F ₁and Y ₂for the HCl salt of formula (III) trans-isomer(ide) of F, its cis: trans ratio is determined as 99.3:0.7 by HPLC.

Embodiment 4: be used as HCl in the propyl carbinol of the second solvent to prepare wherein Y without solid phase extraction ₁and Y ₂for the HCl salt of the compound (I) of F

By the wherein Y that 0.5g is obtained by embodiment 1 ₁and Y ₂for formula (I) compound (1.6mmol, cis: trans=9:1) of the crystallization of F is dissolved in 5ml propyl carbinol and is heated to 60 ° of C.Then by 386 μ lHCl (2.2mmolHCl in propyl carbinol; Concentration=5.7mol/l) dropwise add.Then under 60 ° of C, mixture is stirred 60min.Thus obtained suspension is cooled to envrionment temperature.Continue at room temperature to stir other 60min.The white solid of acquisition being separated by filtering, using a small amount of washed with diethylether, and vacuum-drying under 45 ° of C.

Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F obtains with colorless solid, corresponding to 241mg with 47% productive rate.Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F contains wherein Y ₁and Y ₂for HCl salt and the wherein Y of formula (II) cis-isomeride of F ₁and Y ₂for the HCl salt of formula (III) trans-isomer(ide) of F, its cis: trans ratio is determined as 98.6:1.4 by HPLC.

¹H-NMR(300MHz，CDCl ₃)δppm2.12-2.51(m,3H)3.36-3.72(m.2H)3.93-4.20(m,2H)4.74(d,J=14.05Hz,1H)5.05(d,J=13.81Hz,1H)6.56-6.94(m,2H)6.98-7.24(m,1H)8.35-844(m,1H)8.44-8.60(m,2H)10.15(s,1H)。

¹³C-NMR(75MHz，CDCl ₃)δppm38.1，41.2，58.0，62.3，70.6，82.6，104.6，111.3，125.2，128.0，141.9，142.5，161.2。

Embodiment 5: use HCl in acetone and MTBE to prepare wherein Y ₁and Y ₂for the HCl salt of the compound (I) of F

Oily formula (I) compound thick before the crystallization obtained in 10.0g embodiment 1 (f) is dissolved in 200ml acetone at 30-40 ° of C with under stirring.The solution obtained is cooled to 25-30 ° of C.Then under 25-30 ° of C, in 15min, be added in the HCl (10 % by weight) in MTBE.The solid crystal when stirring the mixture 15min.Then in 30min, slowly 200mlMTBE is added.Suspension be cooled to 0 ° of C to-5 ° of C and stir 2 hours.Filtration product also washs wet cake with 20mlMTBE.Under 70 ° of C after vacuum-drying, obtain wherein Y with colorless solid ₁=Y ₂the HCl salt of the compound (I) of=F.

Productive rate is 9.5g, corresponding to the theoretical value of 85.0%.

Wherein Y ₁=Y ₂the HCl salt of formula (I) compound of=F is with cis: trans ratio is that the cis-isomeride of 9:1 and the mixture of corresponding trans-isomer(ide) obtain.

Embodiment 6: prepare wherein Y as solvent mixture through solid phase extraction with MIBK and propyl carbinol ₁and Y ₂for the HCl salt of the compound (I) of F

By described above obtain in embodiment 5 containing cis: trans ratio is the wherein Y of 9:1 ₁and Y ₂for HCl salt and the wherein Y of formula (II) cis-isomeride of F ₁and Y ₂for the 20g wherein Y of the HCl salt of formula (III) trans-isomer(ide) of F ₁and Y ₂for formula (I) compound H Cl salt (60mmol) of the crystallization of F is suspended in the mixture of propyl carbinol (50ml) and MIBK (50ml).Mixture be heated to 60 ° of C and keep this temperature 2 hours.Subsequently, mixture is cooled to room temperature.By obtain solid filtering and use a small amount of washed with diethylether.

By this solid (14.55g, 43.9mmol) Eddy diffusion in the mixture of propyl carbinol (36.4ml) and MIBK (36.4ml).Mixture be heated to 60 ° of C and keep this temperature 2 hours.Subsequently, mixture is cooled to room temperature.By obtain solid filtering and use a small amount of washed with diethylether.

Under 45 ° of C after vacuum-drying, wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F obtains with colorless crystalline solid, corresponding to 10.75g with 66% overall yield in 2 steps.This crystal demonstrates double scattering phenomenon (bifringing) under the microscope.Wherein Y ₁and Y ₂for the HCl salt of formula (I) compound of F contains wherein Y ₁and Y ₂for HCl salt and the wherein Y of formula (II) cis-isomeride of F ₁and Y ₂for the HCl salt of formula (III) trans-isomer(ide) of F, its cis: trans ratio is determined as 99.2:0.8 by HPLC.

Measure wherein Y ₁=Y ₂the purity of formula (I) compound of=F and cis: the HPLC method of trans ratio:

Wherein Y ₁=Y ₂the x-ray diffraction pattern (XRD) of this formula (I) compound of=F is shown in Figure 1.The method of record x-ray diffraction pattern

Sample on zero background bracket at ambient conditions with spin mode analysis.The general precision of 2 θ values is about ± 0,2 ° of 2 θ.Therefore, at the standard conditions, on most of x-ray diffractometer, the diffraction peak of 8,6 ° of 2 θ place appearance can appear at 8,4 and 8, between 8 ° of 2 θ.

Instrument parameter:

XRD measuring condition:

Incident beam optics

Diffracted beam optics

Citing document list

-US5,403,937

-EP0736030A1

-WO95/17407A1

-WO94/25452A1

-WO97/22710

-TetrahedronLetters32 (1991), 7545-7548 page

Claims

1. the method for the hydrochloride of preparation formula (I) compound:

Wherein Y ₁and Y ₂be F or Cl independently, contained (II) cis-isomeride of described formula (I) compound and formula (III) trans-isomer(ide):

Said method comprising the steps of:

(2) formula (I) compound in the first suitable solvent is contained in obtain the HCl salt of formula (I) compound by the HCl pack processing be contained in the second suitable solvent, and

Make at least part of crystallization of HCl salt of formula (I) compound,

Formula (I) compound wherein provided in (1) comprises formula (II) cis-isomeride of 80-95%, and the formula of 20-5% (III) trans-isomer(ide), and

Wherein the HCl salt of formula (I) compound of at least partly crystallization comprise formula (II) cis-isomeride of at least 97% HCl salt and at the most 3% the HCl salt of formula (III) trans-isomer(ide),

Wherein the first suitable solvent is selected from ethyl acetate, isopropyl acetate, ether, tetrahydrofuran (THF), methyltetrahydrofuran, two alkane, methyl alcohol, n-propyl alcohol, n-butyl alcohol, 2-butanols, 2-methyl-1-butene alcohol, 3-methyl-1-butanol, acetone, 2-butanone and methyl iso-butyl ketone (MIBK), and wherein the second suitable solvent is selected from two alkane, tetrahydrofuran (THF), ether, Di Iso Propyl Ether, methyl tertiary butyl ether, ethyl acetate, methyl alcohol, n-propyl alcohol, n-butyl alcohol, 2-butanols, 2-methyl-1-butene alcohol, 3-methyl-1-butanol and toluene.

2. method according to claim 1, wherein Y ₁and Y ₂for F.

3. method according to claim 1, the formula wherein provided in (1) (I) compound comprises formula (II) cis-isomeride of 85-95%, and the formula of 15-5% (III) trans-isomer(ide).

4. method according to claim 1, wherein in (1), formula (I) compound is provided by the method comprised the steps:

(i.1) formula (A) compound is made:

Wherein L is leavings group,

(i.2) with promoting that reaction mixture that the agent treated of eliminative reaction obtains is to obtain the reaction mixture containing formula (B) compound:

Wherein process and carry out at the temperature of-20 DEG C to+70 DEG C;

Wherein R ₁and R ₂be the alkyl with 1-5 carbon atom of optional suitable replacement independently,

Wherein, after (ii) and before (iii), formula (C) compound is separated optionally through extraction in suitable solvent;

(iii) reduction-type (C) compound is to obtain formula (D) compound:

Reductive agent uses with the amount of 2 molar equivalents at the most relative to formula (C) compound;

V () makes formula (E) compound and is selected from Cl ₂, Br ₂and I ₂halogen Hal ₂react the formula that obtains (F) compound in the presence of a base in a solvent:

Wherein compound (F) molecule exists with formula (Fa) cis-isomeride with formula (Fb) trans-isomer(ide):

(vi.1) in a solvent, heating-type (F) compound and 1,2,4-triazole an alkali metal salt, and promote with applicable the reaction mixture that the partly-hydrolysed alkaline purification of ester structure obtains,

To obtain formula (I) compound:

Its Middle molecule exists with formula (II) cis-isomeride with formula (III) trans-isomer(ide):

5. method according to claim 4, wherein in (i.1), L is halogen.

6. method according to claim 4, wherein carries out reacting described in (i.1) at the temperature at-50 DEG C to+20 DEG C.

7. method according to claim 4, wherein carries out reacting described in (i.1) at the temperature at-30 DEG C to+10 DEG C.

8. method according to claim 4, wherein carries out not converting under solvent processing described in (i.2).

9. method according to claim 4, wherein described in (i.2), reagent is acid.

10. method according to claim 4, wherein R in (ii) ₁and R ₂for ethyl.

11. methods according to claim 4, wherein after (ii) and before (iii), formula (C) compound is separated by extraction in hexanaphthene.

12. methods according to claim 4, wherein in (iii), reductive agent is LiBH ₄.

13. methods according to claim 4, wherein in (iii), reduction is carried out in suitable solvent.

14. methods according to claim 13, wherein said solvent comprises the mixture that water or described solvent are water and Virahol.

15. methods according to claim 14, wherein said solvent comprises the water of 1-20 volume %.

16. methods according to claim 4, wherein carry out under enzyme exists in acidylate described in (iv) in suitable solvent.

17. methods according to claim 16, wherein said solvent is acetonitrile or toluene.

18. methods according to claim 4, wherein after (iv) and before (v), at least part of crystallization of formula (E) compound.

19. methods according to claim 4, wherein Hal in (v) ₂for I ₂.

20. methods according to claim 4, wherein compound (F) molecule of 80-95% exists with formula (Fa) cis-isomeride and the compound of 20-5% (F) molecule exists with formula (Fb) trans-isomer(ide) in (v).

21. methods according to claim 4, wherein described in (v), solvent is ethyl acetate and described alkali is sodium bicarbonate.

22. methods according to claim 4, wherein (v) Chinese style (E) compound reaction temperature lower than 0 DEG C.

23. methods according to claim 4, wherein in (vi.1) at temperature underfeed furnace (F) compound of+70 DEG C to+100 DEG C.

24. methods according to claim 4, wherein heating is carried out not existing under 1,3-dimethyl-3,4,5,6-tetrahydrochysene-2 (1H)-pyrimidone in DMSO under sodium salt in (vi.1).

25. methods according to claim 4, the alkali being wherein applicable to promoting ester structure partly-hydrolysed in (vi.1) is alkali metal base.

26. methods according to claim 25, wherein said alkali adds with moisture and/or alcohol medium.

27. methods according to claim 4, wherein in (vi.1), the molecule of 80-95% exists with formula (II) cis-isomeride and the molecule of 20-5% exists with formula (III) trans-isomer(ide) in the compound (I).

28. methods according to claim 4, wherein described in (vi.2), solvent is the water immiscibility solvent of polarity.

29. methods according to claim 4, the method that its Chinese style (I) compound provides in (1) comprises the steps: further

(vii) after (vi.2), at least part of crystallization formula (I) compound.

30. methods according to claim 1, wherein the first suitable solvent is methyl iso-butyl ketone (MIBK) and the second suitable solvent is THF, or wherein the first and second suitable solvents are propyl carbinol.

31. methods according to claim 1, wherein in (2), process is carried out at the temperature of 20-100 DEG C.

32. according to the method for claim 31, and wherein said temperature is 40-80 DEG C.

33. methods according to claim 1, what wherein use in (2) is contained in the mol ratio HCl:(I of the HCl in the second suitable solvent relative to formula (I) compound) be 1.0:1 to 2.0:1.

34. according to the method for claim 33, and wherein said mol ratio is 1.1:1 to 1.8:1.

35. method according to claim 1, the HCl salt of formula (I) compound of wherein at least partly crystallization comprise formula (II) cis-isomeride of at least 98% HCl salt and at the most 2% the HCl salt of formula (III) trans-isomer(ide).

36. according to the method for claim 1 or 35, and it comprises the steps: further

(2a) the HCl salt of formula (I) compound of small part crystallization is separated to.

37. according to the method for claim 36, and wherein said separation is undertaken by filtering, and optionally washs with suitable solvent subsequently.

38. method according to claim 1, wherein in (2) process carry out at the temperature of 0-100 DEG C and wherein use in (2) be contained in the mol ratio HCl:(I of the HCl in the second suitable solvent relative to formula (I) compound) be 1.0:1 to 3.0:1.

39. according to the method for claim 38, and wherein said mol ratio is 1.5:1 to 2.5:1.

40. according to the method for claim 38, makes at least part of crystallization of HCl salt of formula (I) compound after it is included in further (2).

41. according to the method for claim 40, the HCl salt of wherein crystallization at least partly comprise formula (II) cis-isomeride of at least 98% HCl salt and at the most 2% the HCl salt of formula (III) trans-isomer(ide).

42. according to the method for claim 41, the HCl salt of wherein crystallization at least partly comprise formula (II) cis-isomeride of at least 99% HCl salt and at the most 1% the HCl salt of formula (III) trans-isomer(ide).

43. according to the method for claim 40, and it comprises the steps: further

(2b) the HCl salt of formula (I) compound of small part crystallization is separated to.

44. according to the method for claim 43, and wherein said separation is undertaken by filtering, and optionally washs with suitable solvent subsequently.

45. according to the method for claim 44, and wherein said washing uses methyl tertiary butyl ether, acetone or methyl iso-butyl ketone (MIBK).

46. according to the method for claim 36, and it comprises the steps: further

(3) make the HCl salt of formula (I) compound of at least part of crystallization in suitable solvent, carry out solid phase extraction with the HCl salt of acquisition formula (I) compound, thus improve the content with regard to the HCl salt of formula (II) cis-isomeride.

47. according to the method for claim 43, and it comprises the steps: further

48. according to the method for claim 46 or 47, and wherein said solvent comprises methyl iso-butyl ketone (MIBK).

49. according to the method for claim 48, and wherein suitable solvent is the mixture of methyl iso-butyl ketone (MIBK) or methyl iso-butyl ketone (MIBK) and alcohol, and methyl iso-butyl ketone (MIBK) is 0.5:1 to 10:1 relative to the mol ratio of alcohol.

50. according to the method for claim 46 or 47, and wherein solid phase extraction carries out at the temperature of 20-100 DEG C.

51. according to the method for claim 46 or 47, and wherein in (3), the concentration of the HCl salt of formula (I) compound is that 0.25-0.75mol/ rises solvent.

52. according to the method for claim 46 or 47, is separated to the HCl salt of formula (I) compound of small part crystallization after it is included in further (3).

53. according to the method for claim 46 or 47, the HCl salt of formula (I) compound of at least part of crystallization wherein obtained by (3) comprise formula (II) cis-isomeride of at least 97% HCl salt and at the most 3% the HCl salt of formula (III) trans-isomer(ide).

54. according to the method for claim 53, the HCl salt of formula (I) compound of at least part of crystallization wherein obtained by (3) comprise formula (II) cis-isomeride of at least 98% HCl salt and at the most 2% the HCl salt of formula (III) trans-isomer(ide).

55. according to the method for claim 46 or 47, and it comprises the steps: further

(3a) by the HCl salt of formula (I) compound of at least part of crystallization and the mixture separation obtained by (3).

56. according to the method for claim 55, and wherein said separation is undertaken by filtering, and optionally washs with suitable solvent subsequently.

57. according to the method for claim 46 or 47, and it comprises the steps: further

(3a) by the HCl salt of formula (I) compound of at least part of crystallization and the mixture separation obtained by (3); The method of HCl salt any one of claim 46-52 obtained by (3a) is made to carry out solid phase extraction.

58. according to the method for claim 57, and wherein said separation is undertaken by filtering, and optionally washs with suitable solvent subsequently.

59. according to the method for claim 58, and wherein said washing uses ether or methyl tertiary butyl ether.

60., according to the method for claim 57, are separated after wherein said solid phase extraction according to the thus obtained HCl salt of the method for claim 53.

The hydrochloride of 61. 1 kinds of formula (I) compounds or the hydrochloride of crystallization:

It comprises formula (II) cis-isomeride of at least 97% HCl salt and at the most 3% the HCl salt of formula (III) trans-isomer(ide).

62. according to the hydrochloride of claim 61 or the hydrochloride of crystallization, wherein Y ₁and Y ₂for F.

63. according to the crystallization HCl salt of claim 62, its comprise formula (II) cis-isomeride of at least 98% HCl salt and at the most 2% the HCl salt of formula (III) trans-isomer(ide).

The hydrochloride of 64. 1 kinds of formula (I) compounds obtained by the method any one of claim 1-55:

Wherein Y ₁and Y ₂be F or Cl independently.

65. according to the hydrochloride of claim 64, and it is at least part of crystallization.

66. according to the hydrochloride of claim 64, wherein Y ₁and Y ₂for F.

67. 1 kinds containing at least 99% according at least part of crystallization any one of claim 56-62 of the HCl salt of formula (II) cis-isomeride or the HCl salt of crystallization preparing anti-mycotic agent wherein Y ₁and Y ₂be the purposes in formula (VIII) compound of F:

68. according to the purposes of claim 67, and it comprises, and to transform HCl salt be corresponding tosylate according to formula (IV):

Formula (IV) compound and formula (V) compound are reacted:

To obtain formula (VI) compound:

And make formula (VI) compound and formula (VII) compound react suitably:

To obtain formula (VIII) compound, in its Chinese style (VII) compound, R is H or suitable hydroxyl protecting group.

69. according to the purposes of claim 68, wherein said hydroxyl protecting group Xuan Zi – SiR _aar _bbr _cc, and the alkyl of optional replacement, aryl, alkaryl or aralkyl residue, wherein R _aa, R _bband R _ccidentical or different and be selected from alkyl and the aromatic yl residue of optional suitable replacement.

70. methods any one of claim 1-55 purifying formula (II) cis-isomeride and formula (III) trans-isomer(ide) with regard to cis-isomeride mixture of diastereomers with obtain containing at least 97% formula (II) cis-isomeride HCl salt and at the most 3% formula (III) trans-isomer(ide) HCl salt purified mixture in purposes:

71. according to the purposes of claim 70, and it is for the described mixture of diastereomers of purifying containing formula (II) cis-isomeride of 80-95% and formula (III) trans-isomer(ide) of 20-5%.

72. according to the purposes of claim 70, its for obtain containing at least 98% formula (II) cis-isomeride HCl salt and at the most 2% the purified mixture of HCl salt of formula (III) trans-isomer(ide).